mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-11-22 03:02:35 +01:00
More EBU updates (incl. save code)
git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@67 99eadd0c-20b8-1223-b5c4-2a2b2df33de2
This commit is contained in:
niksedk
parent
af92ccef80
commit
876fb12492
@ -2,6 +2,7 @@
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using System.IO;
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using System.Text;
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using System;
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using System.Text.RegularExpressions;
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namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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{
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@ -63,14 +64,43 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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{
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CodePageNumber = "437";
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DiskFormatCode = "STL25.01";
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DisplayStandardCode = "0";
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CharacterCodeTableNumber = "00";
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LanguageCode = "0A";
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OriginalProgrammeTitle = "No Title ";
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OriginalEpisodeTitle = " ";
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TranslatedProgrammeTitle = string.Empty.PadLeft(32, ' ');
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TranslatedEpisodeTitle = string.Empty.PadLeft(32, ' ');
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TranslatorsName = string.Empty.PadLeft(32, ' ');
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TranslatorsContactDetails = string.Empty.PadLeft(32, ' ');
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SubtitleListReferenceCode = "0 ";
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CreationDate = "101021";
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RevisionDate = "101021";
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RevisionNumber = "01";
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TotalNumberOfTextAndTimingInformationBlocks = "00725";
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TotalNumberOfSubtitles = "00725";
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TotalNumberOfSubtitleGroups = "001";
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MaximumNumberOfDisplayableCharactersInAnyTextRow = "40";
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MaximumNumberOfDisplayableRows = "23";
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TimeCodeStatus = "1";
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TimeCodeStartOfProgramme = "00000000";
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TimeCodeFirstInCue = "00000001";
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TotalNumberOfDisks = "1";
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DiskSequenceNumber = "1";
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CountryOfOrigin = "USA";
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Publisher = string.Empty.PadLeft(32, ' ');
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EditorsName = string.Empty.PadLeft(32, ' ');
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EditorsContactDetails = string.Empty.PadLeft(32, ' ');
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SpareBytes = string.Empty.PadLeft(75, ' ');
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UserDefinedArea = string.Empty.PadLeft(576, ' ');
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}
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public override string ToString()
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public override string ToString()
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{
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string result =
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CodePageNumber +
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DiskFormatCode +
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DisplayStandardCode +
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DisplayStandardCode +
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CharacterCodeTableNumber +
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LanguageCode +
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OriginalProgrammeTitle +
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@ -83,8 +113,8 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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CreationDate +
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RevisionDate +
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RevisionNumber +
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TotalNumberOfTextAndTimingInformationBlocks +
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TotalNumberOfSubtitles +
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TotalNumberOfTextAndTimingInformationBlocks +
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TotalNumberOfSubtitles +
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TotalNumberOfSubtitleGroups +
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MaximumNumberOfDisplayableCharactersInAnyTextRow +
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MaximumNumberOfDisplayableRows +
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@ -96,11 +126,14 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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CountryOfOrigin +
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Publisher +
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EditorsName +
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EditorsContactDetails +
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EditorsContactDetails +
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SpareBytes +
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UserDefinedArea;
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return result;
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if (result.Length == 1024)
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return result;
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throw new Exception("Length must be 1024");
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}
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}
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/// <summary>
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@ -125,7 +158,17 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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public byte CommentFlag { get; set; }
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public string TextField { get; set; }
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internal byte[] GetBytes()
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public EbuTextTimingInformation()
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{
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SubtitleGroupNumber = 1;
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ExtensionBlockNumber = 255;
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CumulativeStatus = 0;
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VerticalPosition = 0;
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JustificationCode = 20;
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CommentFlag = 0;
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}
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internal byte[] GetBytes(EbuGeneralSubtitleInformation header)
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{
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byte[] buffer = new byte[128]; // Text and Timing Information (TTI) block consists of 128 bytes
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@ -136,16 +179,184 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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buffer[3] = ExtensionBlockNumber;
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buffer[4] = CumulativeStatus;
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//TODO: time codes
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buffer[5] = (byte)TimeCodeInHours;
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buffer[6] = (byte)TimeCodeInMinutes;
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buffer[7] = (byte)TimeCodeInSeconds;
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buffer[8] = GetFrameFromMilliseconds(TimeCodeInMilliseconds);
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buffer[9] = (byte)TimeCodeOutHours;
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buffer[10] = (byte)TimeCodeOutMinutes;
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buffer[11] = (byte)TimeCodeOutSeconds;
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buffer[12] = GetFrameFromMilliseconds(TimeCodeOutMilliseconds);
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buffer[13] = VerticalPosition;
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buffer[14] = JustificationCode;
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buffer[15] = CommentFlag;
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//TODO: text field...
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Encoding encoding = Encoding.Default;
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if (header.CharacterCodeTableNumber == "00")
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{
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encoding = Encoding.GetEncoding(20269);
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// 0xC1—0xCF combines characters - http://en.wikipedia.org/wiki/ISO/IEC_6937
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc1 }), "ÀÈÌÒÙàèìòù", "AEIOUaeiou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc2 }), "ÁĆÉÍĹŃÓŔŚÚÝŹáćéģíĺńóŕśúýź", "ACEILNORSUYZacegilnorsuyz");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc3 }), "ÂĈÊĜĤÎĴÔŜÛŴŶâĉêĝĥîĵôŝûŵŷ", "ACEGHIJOSUWYaceghijosuwy");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc4 }), "ÃĨÑÕŨãĩñõũ", "AINOUainou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc5 }), "ĀĒĪŌŪāēīōū", "AEIOUaeiou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc6 }), "ĂĞŬăğŭ", "AGUagu");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc7 }), "ĊĖĠİŻċėġıż", "CEGIZcegiz");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc8 }), "ÄËÏÖÜŸäëïöüÿ", "AEIOUYaeiouy");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xca }), "ÅŮåů", "AUau");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcb }), "ÇĢĶĻŅŖŞŢçķļņŗşţ", "CGKLNRSTcklnrst");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcd }), "ŐŰőű", "OUou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xce }), "ĄĘĮŲąęįų", "AEIUaeiu");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcf }), "ČĎĚĽŇŘŠŤŽčďěľňřšťž", "CDELNRSTZcdelnrstz");
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}
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else if (header.CharacterCodeTableNumber == "01") // Latin/Cyrillic alphabet - from ISO 8859/5-1988
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{
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encoding = Encoding.GetEncoding("ISO-8859-5");
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}
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else if (header.CharacterCodeTableNumber == "02") // Latin/Arabic alphabet - from ISO 8859/6-1987
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{
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encoding = Encoding.GetEncoding("ISO-8859-6");
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}
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else if (header.CharacterCodeTableNumber == "03") // Latin/Greek alphabet - from ISO 8859/7-1987
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{
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encoding = Encoding.GetEncoding("ISO-8859-7"); // or ISO-8859-1 ?
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}
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else if (header.CharacterCodeTableNumber == "04") // Latin/Hebrew alphabet - from ISO 8859/8-1988
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{
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encoding = Encoding.GetEncoding("ISO-8859-8");
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}
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// italic/underline
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string italicsOn = encoding.GetString(new byte[] { 0x80 });
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string italicsOff = encoding.GetString(new byte[] { 0x81 });
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string underlineOn = encoding.GetString(new byte[] { 0x82 });
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string underlineOff = encoding.GetString(new byte[] { 0x83 });
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TextField = TextField.Replace("<i>", italicsOn);
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TextField = TextField.Replace("<I>", italicsOn);
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TextField = TextField.Replace("</i>", italicsOff);
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TextField = TextField.Replace("</I>", italicsOff);
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TextField = TextField.Replace("<u>", underlineOn);
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TextField = TextField.Replace("<U>", underlineOn);
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TextField = TextField.Replace("</u>", underlineOff);
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TextField = TextField.Replace("</U>", underlineOff);
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//font tags
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string s = TextField;
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int start = s.IndexOf("<font ");
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if (start >= 0)
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{
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int end = s.IndexOf(">", start);
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if (end > 0)
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{
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string f = s.Substring(start, end - start);
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if (f.Contains(" color="))
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{
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int colorStart = f.IndexOf(" color=");
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if (s.IndexOf("\"", colorStart + " color=".Length + 1) > 0)
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{
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int colorEnd = f.IndexOf("\"", colorStart + " color=".Length + 1);
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if (colorStart > 1)
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{
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string color = f.Substring(colorStart + 7, colorEnd - (colorStart + 7));
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color = color.Trim('\'');
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color = color.Trim('\"');
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color = color.Trim('#');
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s = s.Remove(start, end - start + 1);
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s = s.Insert(start, GetNearestEbuColorCode(color, encoding));
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}
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}
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}
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}
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TextField = s;
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}
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TextField = Utilities.RemoveHtmlTags(TextField);
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// newline
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string newline = encoding.GetString(new byte[] { 0x8A, 0x8A });
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TextField = TextField.Replace(Environment.NewLine, newline);
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// convert text to bytes
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byte[] bytes = encoding.GetBytes(TextField);
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for (int i = 0; i < 112; i++)
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{
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if (i < bytes.Length)
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buffer[16 + i] = bytes[i];
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else if (i == bytes.Length)
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buffer[16 + i] = 0x8f;
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else
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buffer[16 + i] = 0x8a;
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}
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return buffer;
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}
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private string GetNearestEbuColorCode(string color, Encoding encoding)
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{
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color = color.ToLower();
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if (color == "black" || color == "000000")
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return encoding.GetString(new byte[] { 0x00 }); // black
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else if (color == "red" || color == "ff0000")
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return encoding.GetString(new byte[] { 0x01 }); // red
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else if (color == "green" || color == "00ff00")
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return encoding.GetString(new byte[] { 0x02 }); // green
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else if (color == "yellow" || color == "ffff00")
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return encoding.GetString(new byte[] { 0x03 }); // yellow
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else if (color == "blue" || color == "0000ff")
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return encoding.GetString(new byte[] { 0x04 }); // blue
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else if (color == "magenta" || color == "ff00ff")
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return encoding.GetString(new byte[] { 0x05 }); // magenta
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else if (color == "cyan" || color == "00ffff")
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return encoding.GetString(new byte[] { 0x06 }); // cyan
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else if (color == "white" || color == "ffffff")
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return encoding.GetString(new byte[] { 0x07 }); // white
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else if (color.Length == 6)
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{
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Regex regExpr = new Regex(@"^[a-f0-9]{6}$", RegexOptions.Compiled);
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if (regExpr.IsMatch(color))
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{
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const int MaxDiff = 130;
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int r = int.Parse(color.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);
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int g = int.Parse(color.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);
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int b = int.Parse(color.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);
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if (r < MaxDiff && g < MaxDiff && b < MaxDiff)
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return encoding.GetString(new byte[] { 0x00 }); // black
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if (r > 255 - MaxDiff && g < MaxDiff && b < MaxDiff)
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return encoding.GetString(new byte[] { 0x01 }); // red
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if (r < MaxDiff && g > 255 - MaxDiff && b < MaxDiff)
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return encoding.GetString(new byte[] { 0x02 }); // green
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if (r > 255 - MaxDiff && g > 255 - MaxDiff && b < MaxDiff)
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return encoding.GetString(new byte[] { 0x03 }); // yellow
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if (r < MaxDiff && g < MaxDiff && b > 255 - MaxDiff)
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return encoding.GetString(new byte[] { 0x04 }); // blue
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if (r > 255 - MaxDiff && g < MaxDiff && b > 255 - MaxDiff)
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return encoding.GetString(new byte[] { 0x05 }); // magenta
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if (r < MaxDiff && g > 255 - MaxDiff && b > 255 - MaxDiff)
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return encoding.GetString(new byte[] { 0x06 }); // cyan
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if (r > 255-MaxDiff && g > 255-MaxDiff && b > 255-MaxDiff)
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return encoding.GetString(new byte[] { 0x07 }); // white
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}
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}
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return string.Empty;
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}
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private string ReplaceSpecialCharactersWithTwoByteEncoding(string text, string specialCharacter, string originalCharacters, string newCharacters)
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{
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if (originalCharacters.Length != newCharacters.Length)
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throw new ArgumentException("originalCharacters and newCharacters must have equal length");
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for (int i = 0; i < newCharacters.Length; i++)
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text = text.Replace(originalCharacters[i].ToString(), specialCharacter + newCharacters[i]);
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return text;
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}
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public static byte GetFrameFromMilliseconds(int milliseconds)
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{
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int frame = milliseconds / 41;
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return (byte)frame;
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}
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}
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public override string Extension
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@ -173,15 +384,46 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);
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EbuGeneralSubtitleInformation header = new EbuGeneralSubtitleInformation();
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header.TotalNumberOfSubtitles = ((subtitle.Paragraphs.Count+1).ToString()).PadLeft(5, '0'); // seems to be 1 higher than actual number of subtitles
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header.TotalNumberOfTextAndTimingInformationBlocks = header.TotalNumberOfSubtitles;
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string today = string.Format("{0:00}{1:00}{2:00}", DateTime.Now.Year.ToString().Remove(0, 2), DateTime.Now.Month, DateTime.Now.Day);
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if (today.Length == 6)
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{
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header.CreationDate = today;
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header.RevisionDate = today;
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}
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Paragraph firstParagraph = subtitle.GetParagraphOrDefault(0);
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if (firstParagraph != null)
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{
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TimeCode tc = firstParagraph.StartTime;
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string firstTimeCode = string.Format("{0:00}{1:00}{2:00}{3:00}", tc.Hours, tc.Minutes, tc.Seconds, EbuTextTimingInformation.GetFrameFromMilliseconds(tc.Milliseconds));
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if (firstTimeCode.Length == 8)
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header.TimeCodeFirstInCue = firstTimeCode;
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}
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byte[] buffer = ASCIIEncoding.ASCII.GetBytes(header.ToString());
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fs.Write(buffer, 0, buffer.Length);
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foreach (Paragraph p in subtitle.Paragraphs)
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{
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EbuTextTimingInformation tti = new EbuTextTimingInformation();
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buffer = tti.GetBytes();
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tti.SubtitleNumber = (ushort)p.Number;
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tti.TextField = p.Text;
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tti.TimeCodeInHours = p.StartTime.Hours;
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tti.TimeCodeInMinutes = p.StartTime.Minutes;
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tti.TimeCodeInSeconds = p.StartTime.Seconds;
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tti.TimeCodeInMilliseconds = p.StartTime.Milliseconds;
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tti.TimeCodeOutHours = p.EndTime.Hours;
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tti.TimeCodeOutMinutes = p.EndTime.Minutes;
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tti.TimeCodeOutSeconds = p.EndTime.Seconds;
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tti.TimeCodeOutMilliseconds = p.EndTime.Milliseconds;
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buffer = tti.GetBytes(header);
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fs.Write(buffer, 0, buffer.Length);
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}
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fs.Close();
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}
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public override bool IsMine(List<string> lines, string fileName)
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@ -541,7 +783,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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const byte TextFieldCRLF = 0x8A;
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const byte TextFieldTerminator = 0x8F;
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const byte ItalicsOn = 0x80;
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const byte ItalicsOff = 0x80;
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const byte ItalicsOff = 0x81;
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const byte UnderlineOn = 0x82;
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const byte UnderlineOff = 0x83;
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